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Malware attack [Closed]


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#1
blueoyster101

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Hi guys, I had something called Antispyware Soft blocking every exe file I tried to open. The warning message ran "Application cannot be executed. The file .... is infected. Do you want to activate your antivirus software now?"

So far, I've done pretty well. I ran rkill, then exehelper, then Malwarebytes and found 4 infections which were deleted and I've got my PC back. Hooray!

Two questions really... Anything else I should run or check? And how do I find out what caused the infection in the first place!?
Files attached.

Attached Files


Edited by blueoyster101, 28 May 2010 - 02:11 PM.

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#2
Essexboy

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Hi there lets try this first - If it fails I have added a plan B

Note: If using Firefox right-click on any download links and choose Save As

Please download OTH to your desktop
Please download OTL to your desktop
Please download the attached file Scan.txt to your desktop

Double click the OTH file to run it and click Kill All Processes, your desktop will go blank.

Posted Image

Then select Start OTL. OTL will now run

  • Double-click on the Custom Scans box and a message box will popup asking if you want to load a custom scan from a file
    Select Scan.txt that you downloaded
  • Click the Quick Scan button. Do not change any settings unless otherwise told to do so. The scan wont take long.
    • When the scan completes, it will open two notepad windows. OTL.Txt and Extras.Txt. These are saved in the same location as OTL.
  • Click the Internet Explorer button, post these logs in your Virus Removal topic.

PLAN B

Please print these instruction out so that you know what you are doing

File details OTLPEStd.exe
Bytes=97,702,766
MB=93.1
MD5=FC1A07D156DE710955032B1CF7891671

  • Download OTLPEStd.exe to your desktop
  • Ensure that you have a blank CD in the drive
  • Double click OTLPEStd.exe and this will then open imgburn to burn the file to CD
  • Reboot your system using the boot CD you just created.
    Note : If you do not know how to set your computer to boot from CD follow the steps here
  • As the CD needs to detect your hardware and load the operating system, I would recommend a nice cup of tea whilst it loads :)

  • Your system should now display a Reatogo desktop.
    Note : as you are running from CD it is not exactly speedy
  • Double-click on the OTLPE icon.
  • Select the Windows folder of the infected drive if it asks for a location
  • When asked "Do you wish to load the remote registry", select Yes
  • When asked "Do you wish to load remote user profile(s) for scanning", select Yes
  • Ensure the box "Automatically Load All Remaining Users" is checked and press OK
  • OTL should now start.
  • Drag and drop this attached scan.txt into the Custom scans and fixes box
  • Press Run Scan to start the scan.
  • When finished, the file will be saved in drive C:\OTL.txt
  • Copy this file to your USB drive if you do not have internet connection on this system.
  • Right click the file and select send to : select the USB drive.
  • Confirm that it has copied to the USB drive by selecting it
  • You can backup any files that you wish from this OS
  • Please post the contents of the C:\OTL.txt file in your reply.

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#3
blueoyster101

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Thanks Essex, I must have been reediting my post as you were posting yourself. I think I'm OK now, I ran rkill, then exehelper, then Malwarebytes, and found 4 infections which are now gone. PC up and running again! Should I follow up with anything?
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#4
Essexboy

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Yep lets look for any remnants

To ensure that I get all the information this log will need to be attached (instructions at the end) if it is to large to attach then upload to Mediafire and post the sharing link.

Download OTS to your Desktop
  • Close ALL OTHER PROGRAMS.
  • Double-click on OTS.exe to start the program.
  • Check the box that says Scan All Users
  • Under Additional Scans check the following:
    • Reg - Shell Spawning
    • File - Lop Check
    • File - Purity Scan
    • Evnt - EvtViewer (last 10)
  • Under the Custom Scan box paste this in

    netsvcs
    %SYSTEMDRIVE%\*.exe
    drivers32
    %SYSTEMDRIVE%\*.*
    %systemroot%\*. /mp /s
    CREATERESTOREPOINT
    %systemroot%\system32\*.dll /lockedfiles
    %systemroot%\Tasks\*.job /lockedfiles
    %systemroot%\System32\config\*.sav
    %systemroot%\system32\drivers\*.sys /180
  • Now click the Run Scan button on the toolbar.
  • Let it run unhindered until it finishes.
  • When the scan is complete Notepad will open with the report file loaded in it.
  • Click the Format menu and make sure that Wordwrap is not checked. If it is then click on it to uncheck it.
Please attach the log in your next post.

To attach a file, do the following:
  • Click Add Reply
  • Under the reply panel is the Attachments Panel
  • Browse for the attachment file you want to upload, then click the green Upload button
  • Once it has uploaded, click the Manage Current Attachments drop down box
  • Click on Posted Image to insert the attachment into your post

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#5
blueoyster101

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OTS.txt attached. Thanks.Attached File  OTS.Txt   123.22KB   76 downloads
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#6
Essexboy

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A few bits to go - one of the computer users would get redirects and possibly redownload some malware. But, lets clear that now

Start OTS. Copy/Paste the information in the quotebox below into the pane where it says "Paste fix here" and then click the Run Fix button.

[Unregister Dlls]
[Registry - Safe List]
< Internet Explorer Settings [HKEY_USERS\S-1-5-21-1497993700-3962924676-3806845536-1000\] > -> 
YN -> HKEY_USERS\S-1-5-21-1497993700-3962924676-3806845536-1000\: "ProxyEnable" -> 1
YN -> HKEY_USERS\S-1-5-21-1497993700-3962924676-3806845536-1000\: "ProxyServer" -> http=127.0.0.1:5555
[Files/Folders - Created Within 30 Days]
NY ->  pavijwnax -> C:\Users\Armstrongs\AppData\Local\pavijwnax
[Empty Temp Folders]
[EmptyFlash]

The fix should only take a very short time. When the fix is completed a message box will popup telling you that it is finished. Click the Ok button and Notepad will open with a log of actions taken during the fix. Post that information back here along with a new OTS log.

I will review the information when it comes back in.

THEN

Go to Control Panel and select Internet Options
Select the Connections TAB
Select LAN settings button
Ensure there is no tick in the Proxy Server box
Select OK and restart Internet explorer


And for Firefox there are instructions on this page and you want the setting to be no proxy

Also let me know of any problems you encountered performing the steps above or any continuing problems you are still having with the computer.
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#7
blueoyster101

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Thanks again. All seems fine. Attachment Editor says I can't upload the .log file so I changed the suffix to txt. Hope it's readable for you!Attached File  05292010_161852.txt   6.53KB   56 downloads
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#8
Essexboy

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Thanks :) My apologies for the delay in getting back to you but my local telephone exchange went down yesterday and has only just come back up.

On completion of this run can you let me know what problems remain

Posted Image Please download Malwarebytes' Anti-Malware from Here.

Double Click mbam-setup.exe to install the application.
  • Make sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
  • If an update is found, it will download and install the latest version.
  • Once the program has loaded, select "Perform Quick Scan", then click Scan.
  • The scan may take some time to finish,so please be patient.
  • When the scan is complete, click OK, then Show Results to view the results.
  • Make sure that everything is checked, and click Remove Selected.
  • When disinfection is completed, a log will open in Notepad and you may be prompted to Restart.(See Extra Note)
  • The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
  • Copy&Paste the entire report in your next reply.
Extra Note:

If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately.
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#9
Essexboy

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Due to lack of feedback, this topic has been closed.

If you need this topic reopened, please contact a staff member. This applies only to the original topic starter. Everyone else please begin a New Topic.
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